[单选题] Which of the following description is WRONG about Wi-Fi? __

• A、Any standard Wi-Fi device will work anywhere in the world with global operative set of standards.
• B、Communications between two devices need the involvement of an access point with WI-Fi.
• C、Now most laptops are built with wireless network adapters inside.
• D、One can connect Wi-Fi devices in ad-hoc mode for client-to-client connections without a router

 纠错